well almost everything is easy to accomplish
(probably because i use it since 2-3 years at least)
just the small tweak in /etc/init.d/numlock
--- /etc/init.d/numlock.orig 2003-04-11 00:58:55.000000000 +0200 +++ /etc/init.d/numlock 2003-03-19 13:03:30.000000000 +0100 @@ -21,14 +21,14 @@ echo touch $SYSCONF_FILE - for tty in /dev/tty[0-8]; do + for tty in /dev/tty[0-7]; do setleds -D +num < $tty done ;; stop) gprintf "Disabling numlocks on ttys: " - for tty in /dev/tty[0-8]; do + for tty in /dev/tty[0-7]; do setleds -D -num < $tty done echo_success |